[size=4]By Pearl Cao, Texas Instruments[/size] [size=4] [/size] [size=4] As electronic devices become more attractive and power hungry with more built-in features, rechargeable batteries have become a...
When optimizing the network, we must ensure that there is no overlap when transmitting energy. This is especially important for each cell of the CDMA system using the same frequency. RF management i...
Have you guys used this chip? Its AUX pin needs to charge C2 first, and the chip can only start after it reaches 1.4V. However, when I charged it, I found that the capacitor could not reach 1.4V. What...
[p=28, null, left][font=微软雅黑][size=4]Recently, someone shared an email signed by Ren Zhengfei titled "Forwarding "How many second-hand mice and keyboards did Huawei buy on Xianyu?" [/size][/font][/p][...
I received the module last week. After a quick look, I found that it should be a simple small development board developed by Anxin, which can directly test the functions of the module above. The board...
C67X includes: program fetch unit, instruction allocation unit, instruction decoding unit, (A/B) 2 groups of general registers (32 in total), 8 functional units, 1 group of control registers, control ...
Voice communication is indispensable in daily communication and in high-tech fields such as aviation and aerospace. According to the Nyquist theory, in order to reconstruct the voice signal without di...[Details]
On the evening of August 24, semiconductor equipment manufacturer AMEC released its 2021 semi-annual report. The company achieved operating income of approximately 1.339 billion yuan in the first hal...[Details]
We went to the official website of JD.com and found that the price of Huawei Mate 20 X 5G version has been reduced. In Huawei's official flagship store on JD.com, the Huawei Mate 20 X 5G version is r...[Details]
Deformation intermittent oscillator
The disadvantage of the above-mentioned frequency stabilization circuit is that it is relatively complicated. If the parameters of the oscillation transformer ...[Details]
The ADP8870 integrates the following functions: a programmable backlight LED charge pump driver; a phototransistor input for automatic brightness control (LED current); and a PWM input for controll...[Details]
The three major A-share indices closed down today, with the Shanghai Composite Index falling 1.99% to 3564.08 points; the Shenzhen Component Index fell 2.44% to 14870.66 points; and the ChiNext Index...[Details]
Soft start is a motor starting method that controls the starting current of the motor to gradually accelerate the motor during the starting process, thereby reducing the current shock and mechanica...[Details]
How to use the inverter and adjust its parameters
The inverter is a power supply device used to adjust the speed of asynchronous motors. According to the formula of speed n=60f/p(1-s), the inv...[Details]
To improve the accuracy of instrumentation systems, the performance of digital-to-analog converters has exceeded 16 bits, which was previously achieved using bulky, expensive, and slow Kelvin-Varley v...[Details]
Tesla recently launched a price guessing activity on its official Weibo account for Chinese-made Teslas, which attracted widespread attention. However, the result was more noise than action; the pric...[Details]
Jen Lloyd, Vice President, Precision Technology and Platforms, Analog Devices In today's world of increasing electrification and digitalization, it is more important than ever to protect people, v...[Details]
This article is translated from everythingrf
Phased array antennas have proven their value to millimeter wave 5G radios. Improvements in beam focusing and enhanced beam range increase da...[Details]
According to iGyaan Network, Letsgodigital discovered a new patent for a Samsung mobile phone, which was published by the US Patent and Trademark Office on June 11, 2019. This patent is about a mobil...[Details]
Electronic water and gas meters are typical representatives of the most challenging low-power designs for embedded control systems that require RF connectivity. These systems are characterized by bat...[Details]
Every year, 1.25 million people die in car accidents, of which more than 94% of fatal accidents are caused by human error (drunk driving, speeding, ignoring traffic lights, texting while driving). ...[Details]